Suppose you earned a score of 474 on a test. For which of the following conditions would your score indicate the best performance relative to the rest of
the class?
mean = 406, standard deviation = 53
mean = 435, standard deviation = 47
mean = 435, standard deviation = 41
mean = 474, standard deviation = 41

mean = 450, standard deviation = 43

5/12, or 5: 12

step-by-step explanation:

hreryryrranswer:

step-by-step explanation:

1. 180°. the sum of the interior angles of a triangle is 180°, for the equilateral triangle that it has three equals side is 60°+60°+60°=180°.

2. 60°. each interior angle of a equilateral triangle is 60°

3. 120°. the measure of ∠m is 120°, the sum of the angles ∠m and ∠n is equal to 180°. so, in order to find the measure of ∠m, we have ∠m+∠n=180° > ∠m=180°-∠n > ∠m=180°-60°=120°.

4. 360°. the sum of the exterior angles of an equilateral triangle is ∠m+∠r+∠x=120°+120°+120°=360°. the exterior angles of any triangle always add 360°.